@book{5897,
	author = {Leach, James A.},
	title = {AutoCAD 2006 instructor :},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2006.},
	address = {Boston :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip059/2005007035.html}
}